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PEP-176 is two 15 amino acid synthetic peptides whose sequences are derived from mouse and human proteasome 20S LMP2 protein. The sequences of these peptides are (amino to carboxy terminus): C-R (207)-V-I-L-G-N/D-E-L-P-K-F-Y-D E (220)
These peptides may be used for neutralization and control experiments with the polyclonal antibody that reacts with this product and mouse proteasome 20S LMP2, catalog # PA1-1960. Using a solution of peptide of equal volume and concentration to the corresponding antibody will yield a large molar excess of peptide (~70-fold) for competitive inhibition of antibody-protein binding reactions.
Reconstitute with 0.1 mL of distilled water.
The proteasome is a multicatalytic proteinase complex with a highly ordered ring-shaped 20S core structure. The core structure is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes a member of the proteasome B-type family, also known as the T1B family, that is a 20S core beta subunit. This gene is located in the class II region of the MHC in the immunoproteasome. Proteolytic processing is required to generate a mature subunit.
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